Teodósio I, Duke of Braganza

Beatriz de Portugal, duchesse de Savoie She was the second daughter of Manuel I of Portugal and his second wife, Maria of Aragon Her siblings included King João III of Portugal and Holy Roman Empress Isabel.

Constança de Castela, Duquesa de Lencastre - The Portuguese Genealogy (Genealogia dos Reis de Portugal).png- wife if John Of Gaunt. They had 1 child: Catherine if Lancaster who became Queen if Castile when she martied King HenryIII of Castile